/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package EventComponent;

import Bean.Others.EventBean;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author DIT-0958372
 */
public class EventManagementServlet extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        HttpSession session = request.getSession(false);
        try {
            ArrayList eventParticipantsList = null;
            EventLogic el = new EventLogic();
            EventBean eb = null;
            String condition = request.getParameter("condition");
            String eventIndexStr = request.getParameter("eventIndex");
            int eventIndex = Integer.parseInt(eventIndexStr);

            if (condition.equals("ModifyEvent")) {
            } else if (condition.equals("QuitEvent")) {
                eventParticipantsList = (ArrayList) session.getAttribute("participantsList");

                for (int i = 0; i < eventParticipantsList.size(); i++) {
                    eb = (EventBean) eventParticipantsList.get(i);
                    if (eb.getEventIndex() == eventIndex) {

                        //call the method in eventLogic to update the list in database
                        el.updateEvent("eventParticipants", eventIndex, eb.getEventParticipants());
                        eventParticipantsList.remove(i);

                    }
                }




            } else if (condition.equals("ContactOrganizers")) {
            }


        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
